CVE-2020-20391
CVE-2020-20391 is a medium-severity vulnerability in Get-simple Getsimplecms with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Get-simple Getsimplecms
- Published:
- Last modified:
Description
Cross Site Scripting vulnerability in GetSimpleCMS 3.4.0a in admin/snippets.php via (1) Add Snippet and (2) Save snippets.
Frequently asked questions
- What is CVE-2020-20391?
- Cross Site Scripting vulnerability in GetSimpleCMS 3.4.0a in admin/snippets.php via (1) Add Snippet and (2) Save snippets.
- How severe is CVE-2020-20391?
- CVE-2020-20391 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-20391 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-20391?
- CVE-2020-20391 affects Get-simple Getsimplecms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-20391?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-20391 published?
- CVE-2020-20391 was published on 2021-06-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:get-simple:getsimplecms:3.4.0:a1:*:*:*:*:*:*
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